Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6779625 | Steering damper | Tatsuya Harada | 2004-08-24 |
| 6415885 | Steering damper | — | 2002-07-09 |
| 6267040 | Power steering device | Tatsuya Fukushima | 2001-07-31 |
| 6216813 | Rack-pinion type power steering apparatus | Seiichi Kojima, Tatsuya Fukushima | 2001-04-17 |
| 6206574 | Ball bearing and method of assembling the same | Tatsuya Fukushima | 2001-03-27 |
| 6021685 | Rack-pinion type power steering apparatus | Tatsuya Fukushima | 2000-02-08 |
| 4793433 | Hydraulic reaction force apparatus for power steering system | Yasuyoshi Emori | 1988-12-27 |
| 4587886 | Power steering device | Naosuke Masuda | 1986-05-13 |
| 4579040 | Power steering device | Naosuka Masuda | 1986-04-01 |